Spring clip



FIG. 1 is a left side view of my design for a spring clip, the right side being a mirror image thereof;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of the facial features in FIGS. 1,3,4, and 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a spring clip, as shown and described. 